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/* ISC license. */
#include <errno.h>
#include <pthread.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <nsss/config.h>
#include <nsss/grp-switch.h>
#include <nsss/nsss-switch.h>
#include "nsss-internal.h"
#include "nsss-switch-internal.h"
int nsss_switch_getgrent_r (struct group *gr, char *buf, size_t buflen, struct group **grp)
{
struct group gr2 ;
stralloc sa = STRALLOC_ZERO ;
genalloc ga = GENALLOC_ZERO ;
int e = pthread_mutex_lock(&nsss_switch_enumerator_mutex) ;
if (e) return e ;
if (!nsss_switch_start(&nsss_switch_enumerator, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return errno ;
e = errno ;
errno = 0 ;
if (!nsss_switch_grp_get(&nsss_switch_enumerator, &gr2, &sa, &ga, 0, 0))
{
*grp = 0 ;
if (!errno) errno = ENOENT ;
goto err ;
}
pthread_mutex_unlock(&nsss_switch_enumerator_mutex) ;
if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga)))
{
genalloc_free(char *, &ga) ;
stralloc_free(&sa) ;
*grp = 0 ;
return errno ;
}
genalloc_free(char *, &ga) ;
stralloc_free(&sa) ;
*grp = gr ;
return (errno = e, 0) ;
err:
pthread_mutex_unlock(&nsss_switch_enumerator_mutex) ;
return errno ;
}
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